HTTP 400 randomly

[avallark]

I am getting an HTTP 400 quite randomly when I send some messages. Its reproducible at will though.

20-06-08 16:41:21 gimli ERROR [discord.client:77] - Error sending message: 

clojure.lang.ExceptionInfo: clj-http: status 400 

{:cached nil, :request-time 472, :repeatable? false, 
:protocol-version {:name "HTTP", :major 1, :minor 1}, 
:streaming? true, 
:http-client #object[org.apache.http.impl.client.InternalHttpClient 0x45bff638 "org.apache.http.impl.client.InternalHttpClient@45bff638"], 
:chunked? false, 
:type :clj-http.client/unexceptional-status, 
:reason-phrase "Bad Request", 
:headers {"x-envoy-upstream-service-time" "9", 
                "Server" "cloudflare", 
                "x-ratelimit-reset-after" "5", 
                "Via" "1.1 google", 
                "Content-Type" "application/json", 
                "Content-Length" "21", 
                 "strict-transport-security" "max-age=31536000; includeSubDomains", 
                  "x-ratelimit-limit" "5", 
                  "x-ratelimit-remaining" "4", 
                  "x-ratelimit-reset" "1591634487", 
                  "x-ratelimit-bucket" "80c17d2f203122d936070c88c8d10f33", 
                  "Connection" "close", 
                  "cf-request-id" "033667e7180000df4b73824200000001", 
                   "Set-Cookie" ["__cfduid=d646323f023029fc337c7d79d9e1eed701591634480; expires=Wed, 08-Jul-20 16:41:20 GMT; path=/; domain=.discordapp.com; HttpOnly; SameSite=Lax" "__cfruid=8b7f57ba621570e90aaa72ecff2886c33d034cd0-1591634481; path=/; domain=.discordapp.com; HttpOnly; Secure; SameSite=None"], 
                   "Expect-CT" "max-age=604800, report-uri=\"https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct\"", "CF-Cache-Status" "DYNAMIC", "CF-RAY" "5a040f51c9dbdf4b-BOM", "Date" "Mon, 08 Jun 2020 16:41:21 GMT"
                  }, 
:orig-content-encoding nil, 
:status 400, 
:length 21, 
:body "{\"embed\": [\"fields\"]}", :trace-redirects []
}